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BSI BS EN 62439-3:2012

Industrial communication networks. High availability automation networks -- Parallel redundancy protocol (PRP) and high availability seamless redundancy (HSR)
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BSI BS EN 62439-3:2012

Industrial communication networks. High availability automation networks -- Parallel redundancy protocol (PRP) and high availability seamless redundancy (HSR)

PUBLISH DATE 2012
PAGES 62
BSI BS EN 62439-3:2012
IEC 62439-3:2012 specifies two redundancy protocols designed to provide seamless recovery in case of single failure of an inter-bridge link or bridge in the network, which are based on the same scheme: duplication of the LAN, resp. duplication of the transmitted information. This second edition cancels and replaces the first edition published in 2010. It constitutes a technical revision. The main changes with respect to the previous edition are:
- specification of the interconnection of PRP and HSR networks;
- introduction of a suffix for PRP frames;
- clarification and modification of specifications to ensure interoperability;
- slackening of the specifications to allow different implementations;
- consideration of clock synchronization according to IEC 61588;
- introduction of test modes to simplify testing and maintenance.

This publication is to be read in conjunction with IEC 62439-1:2010.
SDO BSI: British Standards Institution
Document Number EN 62439-3
Publication Date Oct. 31, 2012
Language en - English
Page Count 62
Revision Level
Supercedes
Committee GEL/65/3
Publish Date Document Id Type View
Oct. 31, 2012 BS EN 62439-3:2012 Revision
June 30, 2010 BS EN 62439-3:2010 Revision